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Probiotics and prebiotics in poultry nutrition
Under normal circumstances, there is a delicate balance of beneficial and pathogenic bacteria in the gastrointestinal tract (GIT). This is influenced by symbiotic and competitive interactions and relationships. The microbial communities will not only protect the GIT but also enhance productivity in the host. The use of probiotics and prebiotics are two approaches that have been examined and can potentially reduce enteric diseases in poultry and also enhance their productivity. These substances have been proposed to assist in the prevention of carcass contamination and improve the immune response in the chicken. Probiotics have been defined as 'a live microbial feed supplement which beneficially affects the host animal by improving its intestinal balance' (Fuller, 1989). The probiotic mode of action is by 'competitive exclusion', meaning there is competition for attachment sites in the GIT.
It was during 1980's when the concept of functional food first took its commercial shape in Japan. Since then, the business space for functional food has been expanding and will continue to rise over the coming years. Functional foods are referred to as the food additives with health benefits. The growing awareness among the consumers pertaining to the relation between health, nutrition, and diet is basically propelling the demand for these functional food...
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1. Introduction Probiotics may alter gut microflora in poultry and play a role in competitive exclusion (CE) of Salmonella by the Nurmi concept ( Pivnick and Nurmi, 1982). Competitive exclusion involves oral administration of intestinal microflora derived from healthy salmonella-free adult birds into newly hatched chicks. Establishment of an adult intestinal microflora in newly hatched...
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Transforming Poultry Farming in India with Srinivasa Farms and Hy-Line
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Dr. Ryan Dilger (University of Illinois) speaks on intestinal immunity, metabolic costs and the benefits of functional fibers and fermentable substrates, during CLANA 2016 in Cancun, Mexico....
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IPPE 2017 International Seminar Luncheon
Feeding the future in a sustainable way requires innovation. At Trouw Nutrition, we are focused on finding new ways of achieving enhanced performance while reducing dependency on...
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Introduction The differences in broiler chicken growth systems between conventional environmentally controlled housing and on pasture include rearing environments, feed components and what are considered acceptable dietary additives. Broiler chickens raised in conventional rearing systems are supplemented with antimicrobial agents or growth promoters for the purposes of production enhancement as well as improved health...
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Introduction Necrotic enteritis (NE) in broilers is a multi-factorial disease with severe economic implications (1). It is caused by type A strains of Clostridium perfringens that are specific to poultry with toxin types alpha and NetB (2, 3). Coccidia infections are the most common pre-requisite for NE to occur (4), however, dysbacteriosis associated with diet ingredients, changes in feed ration, immunosuppression,...
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1. Introduction Probiotics display numerous health benefits beyond providing basic nutritional advantages. Probiotic products consisting of beneficial microflora can help to establish and maintain the balance of the intestinal microflora in commercial broilers. However, selecting a probiotic microorganism that has beneficial effects in broiler chickens requires an extensive search for the optimum...
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Introduction Poultry production in the past century has transitioned from predominantly breeding layers to breeding a mixture of both layers and broilers, based on the evolution of consumer demand (1–3). Success in the optimization of different broiler lines is due to genetics as well as optimizing diets with more precise nutritional formulations (4, 5). Comparison of individual genetic lines has revealed differing...
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Supplemental dietary methionine sources have a neutral impact on oxidative status in broiler chickens
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This article was originally published in British Poultry Science (2015), Vol. 56, No. 6, 723–732. INTRODUCTION Concerns regarding development of antibioticresistant microorganisms and social pressures have continued the trend to ban the use of antibiotics as growth promoters in poultry production (Castanon, 2007). This has also...
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Introduction The intestinal epithelium constitutes the largest and most important barrier against external environmental agents and has three critical functions: 1) To prevent the entry of harmful intraluminal microorganisms, antigens, and toxins; 2) To enable the selective translocation of dietary nutrients and electrolytes into circulation; and 3) To tolerate the beneficial microbiome [1–4]. Inappropriate...
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Introduction. Antibiotics are generally used in the poultry industry to prevent poultry pathogens and diseases as growth promoters. However, using of antibiotic in the diet caused the development drug-resistant bacteria (Edens, 2003), drug residues in the bird's body (Pelicano et al., 2004) and imbalance of normal microflora (Barton, 2000). As a result, there is an increasing...
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INTRODUCTION Avian coccidiosis is a global parasitic disease characterized with heavy health and economic impacts. Control of this disease is based essentially on chemoprevention using coccidiostats additives and more recently on immunization. Vaccine efficacy is variable and may in some circumstances be restricted, which led to the development of novel protocols that would improve vaccination effectiveness (Allen et...
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This study was conducted to assess the effects of different short-term water-soluble probiotic application methods (PAM), by a probiotic containing Enterococcus faecium, to reduce probiotic application cost with 2 types of diet (TOD) on performance, carcass characteristics, serum lipids, jejunal histomorphology, cecal microflora population and immune responses in broiler chickens. Five hundred sixty day-old male Ross 308 chicks were randomly distributed in a...
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1 Department of Poultry Science, University of Arkansas, Fayetteville, USA; 2 Vetanco Argentina S.A. Chile 33 (B1603CMA) Vicente López, Buenos Aires, Argentina; 3 Departamento de Medicina y Zootecnia de Aves, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, México City, México; 4 Pacific Vet Group-USA, Inc., Creek...
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Introduction For several decades, the use of sub-therapeutic levels of antibiotics in animal feeds has been a common practice in many countries in order to improve growth performance and prevent from the adverse effects of pathogenic and non-pathogenic enteric microorganisms. However, there are increasing concerns for the public health about the consequences from the use of antibiotics in livestock [1]. The risk of...
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At a time when sustainability and antibiotic reduction are major concerns for the international animal production sector, Probiotics have never been such a topical issue. Willing t o stimulate and promote probiotic research, the European Probiotic Association (EPA) is preparing to nominate the 2014 Jules Tournut Probiotics Prize Winner, who will be announced during EUROTIER in Hannover, on November 12 th , 2014. Members of the...
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David Harrington from Chr. Hansen speaks about his two presentations about the inclusion of the product GalliPro in broiler diets to enhance performance. ...
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Transforming Poultry Farming in India with Srinivasa Farms and Hy-Line
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Sangita Jalukar Ph. D., Product Development & Research Coordinator at Vi-COR speaks about the use of prebiotics in poultry at the Latin American Poultry Congress 2013, El Salvador. ...
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Introduction The objective of this presentation is to discuss the role of dietary enzymes in the production of hydrolysis products that are important for animal health and food safety in the antibiotic-free poultry and swine nutrition. This presentation would also address any potential relationship between feed enzymes and yeast-derived products with the emphasis on the development of new enzyme supplements effective in...
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